74 lines
2.2 KiB
Java
74 lines
2.2 KiB
Java
/******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*****************************************************************************/
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package com.ibm.wala.cast.ir.ssa;
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import com.ibm.wala.ssa.*;
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import com.ibm.wala.util.debug.Assertions;
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public class AstLexicalWrite extends AstLexicalAccess {
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public AstLexicalWrite(String definer, String globalName, int rhs) {
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this(new Access(globalName, definer, rhs));
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}
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public AstLexicalWrite(Access access) {
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this(new Access[]{access});
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}
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public AstLexicalWrite(Access[] accesses) {
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super(accesses);
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}
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public SSAInstruction copyForSSA(int[] defs, int[] uses) {
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if (uses==null) {
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return new AstLexicalWrite( getAccesses() );
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} else {
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Access[] accesses = new Access[ getAccessCount() ];
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for(int i = 0; i < accesses.length; i++) {
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Access oldAccess = getAccess(i);
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accesses[i] = new Access(oldAccess.variableName, oldAccess.variableDefiner, uses[i]);
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}
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return new AstLexicalWrite(accesses);
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}
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}
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public int getNumberOfUses() { return getAccessCount(); }
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public int getUse(int i) { return getAccess(i).valueNumber; }
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public int getNumberOfDefs() { return 0; }
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public int getDef(int i) { throw new UnsupportedOperationException(); }
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public String toString(SymbolTable symbolTable, ValueDecorator d) {
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StringBuffer sb = new StringBuffer();
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for(int i = 0; i < getAccessCount(); i++) {
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Access A = getAccess(i);
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if (i != 0) sb.append(", ");
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sb.append("lexical:");
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sb.append(A.variableName);
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sb.append("@");
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sb.append(A.variableDefiner);
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sb.append(" = ");
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sb.append(getValueString(symbolTable, d, A.valueNumber));
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}
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return sb.toString();
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}
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public void visit(IVisitor v) {
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Assertions._assert(v instanceof AstInstructionVisitor);
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((AstInstructionVisitor)v).visitAstLexicalWrite(this);
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}
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}
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